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a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1755764536; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5A6UcO1pV9T6XpbBXD33C0ZPyPClB9b12lLWdBgNKEU=; b=TSRtYX0P16fCpMDdg3fATk0/IgPxERXelnqC0Ser+Sy2CA+CUb+PK5Us+C4TfY4F/NOWwd tEgbqUvs0NC0KnBg== From: Thomas Zimmermann To: simona@ffwll.ch, airlied@gmail.com, mripard@kernel.org, maarten.lankhorst@linux.intel.com, geert@linux-m68k.org, tomi.valkeinen@ideasonboard.com Cc: dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, freedreno@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, imx@lists.linux.dev, linux-samsung-soc@vger.kernel.org, nouveau@lists.freedesktop.org, virtualization@lists.linux.dev, spice-devel@lists.freedesktop.org, linux-renesas-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-tegra@vger.kernel.org, intel-xe@lists.freedesktop.org, xen-devel@lists.xenproject.org, Thomas Zimmermann , Inki Dae , Seung-Woo Kim , Kyungmin Park , Krzysztof Kozlowski , Alim Akhtar Subject: [PATCH v6 07/25] drm/exynos: Compute dumb-buffer sizes with drm_mode_size_dumb() Date: Thu, 21 Aug 2025 10:17:14 +0200 Message-ID: <20250821081918.79786-8-tzimmermann@suse.de> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250821081918.79786-1-tzimmermann@suse.de> References: <20250821081918.79786-1-tzimmermann@suse.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spam-Level: X-Spam-Flag: NO X-Rspamd-Queue-Id: 054E01F83B X-Rspamd-Action: no action X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Spamd-Result: default: False [-1.51 / 50.00]; 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charset="utf-8" Call drm_mode_size_dumb() to compute dumb-buffer scanline pitch and buffer size. No alignment required. Signed-off-by: Thomas Zimmermann Cc: Inki Dae Cc: Seung-Woo Kim Cc: Kyungmin Park Cc: Krzysztof Kozlowski Cc: Alim Akhtar Acked-by: Inki Dae --- drivers/gpu/drm/exynos/exynos_drm_gem.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exyn= os/exynos_drm_gem.c index e3fbb45f37a2..02714c9ab639 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -10,6 +10,7 @@ #include #include =20 +#include #include #include #include @@ -329,15 +330,16 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_= priv, unsigned int flags; int ret; =20 + ret =3D drm_mode_size_dumb(dev, args, 0, 0); + if (ret) + return ret; + /* * allocate memory to be used for framebuffer. * - this callback would be called by user application * with DRM_IOCTL_MODE_CREATE_DUMB command. */ =20 - args->pitch =3D args->width * ((args->bpp + 7) / 8); - args->size =3D args->pitch * args->height; - if (is_drm_iommu_supported(dev)) flags =3D EXYNOS_BO_NONCONTIG | EXYNOS_BO_WC; else --=20 2.50.1